[#BloombergLP-bdlt-Calendar-addHolidayCode]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::xref:BloombergLP/bdlt/Calendar.adoc[Calendar]::addHolidayCode
:relfileprefix: ../../../
:mrdocs:

Mark the specified `date` as a holiday (i.e., a non‐business day) in this calendar and add the specified `holidayCode` (if not already present) to the ordered set of codes associated with `date`. Extend the valid range of this calendar if necessary. If `holidayCode` is already a code for `date`, this method has no effect. See {Iterator Invalidation} for information regarding which iterators are affected by the use of this method. Note that this method may be called repeatedly with the same value for `date` to build up a set of holiday codes for that date.

== Synopsis

Declared in `<bdlt_calendar.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
addHolidayCode(
    xref:BloombergLP/bdlt/Date.adoc[Date] const& date,
    int holidayCode);
----


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